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Posted by on Wednesday, September 5, 2012 at 1:14am.

The cholesterol levels of young women aged 20 to 34 vary approximately normal with mean 185 milligrams per deciliter and standard deviation 39 mg/dl. Cholesterol levels for men vary with mean 222mg/dl and standard deviation 37 mg/dl Sandy's cholesterol level is 220 her fathers is level is 250 who's is higher

  • statistics - , Thursday, September 6, 2012 at 2:31am

    Z = (score-mean)/SD

    Compare Z scores.

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